28447780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61843}}^1$

素因数の和:61875

約数の個数: 24

約数和(自身を含む): 62338752

約数和(自身を除く): 33890972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61843, 123686, 247372, 309215, 618430, 1236860, 1422389, 2844778, 5689556, 7111945, 14223890, 28447780]

約数ペア:

[(1, 28447780), (2, 14223890), (4, 7111945), (5, 5689556), (10, 2844778), (20, 1422389), (23, 1236860), (46, 618430), (92, 309215), (115, 247372), (230, 123686), (460, 61843)]